AirHint found the following cheapest return flights from London (LGW) to Sydney (SYD) in May 2026 (see full year).

Return flights

01 May - 15 May	Air China
22 May - 31 May	Air China
02 May - 09 May	Vueling Airlines
12 May - 26 May	Air China
14 May - 28 May	Air China
11 May - 31 May	Wizz Air UK
05 May - 19 May	Qatar Airways
11 May - 25 May	Qatar Airways
06 May - 27 May	Qatar Airways
05 May - 12 May	Qatar Airways
18 May - 14 Jun	Wizz Air Malta
24 May - 07 Jun	Qatar Airways
27 May - 02 Jun	Qatar Airways
26 May - 04 Jun	Qatar Airways
05 May - 09 Jun	Qatar Airways
17 May - 17 Jun	Qatar Airways
19 May - 09 Jun	Qatar Airways

Also check the deals for one-way flights from London to Sydney in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Sydney in May from $853

Return flights